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Ivahew [28]
4 years ago
8

John (whose line of sight is 6 ft above horizontal) is trying to estimate the height of a tall oak tree. He first measures the a

ngle of elevation from where he is standing at 35 degrees. He walks 30 feet closer to the tree and finds the angle of elevation has increased by 12 degrees. Estimate the height of the tree rounded to the nearest whole number.
Mathematics
1 answer:
KIM [24]4 years ago
4 0
I don’t understand what your asking
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HELP PLZ AGAIN. Same material. It is still timed. Will give 100 pts and brainly. This is vital to my math grade. Time is on the
ruslelena [56]

Answer:

y=4x+47

I wanted to wait for the person who originally said the answer but it's been a while and I kinda want the points. Sorry

6 0
3 years ago
Read 2 more answers
What are the steps to 43,021 -835.6?
Kruka [31]
The answer says 42,185.4


Hope this helps!

4 0
4 years ago
Please help i beg i never get these right
Anuta_ua [19.1K]

Answer:

\sin(105) = \frac{\sqrt 2 + \sqrt 6}{4}

Step-by-step explanation:

Given

\sin(105^o)

Required

Solve

Using sine rule, we have:

\sin(A + B) = \sin(A)\cos(B) + \sin(B)\cos(A)

This gives:

\sin(105^o) = \sin(60 + 45)

So, we have:

\sin(60 + 45) = \sin(60)\cos(45) + \sin(45)\cos(60)

In radical forms, we have:

\sin(60 + 45) = \frac{\sqrt 3}{2} * \frac{\sqrt 2}{2} + \frac{\sqrt 2}{2} * \frac{1}{2}

\sin(60 + 45) = \frac{\sqrt 6}{4} + \frac{\sqrt 2}{4}

Take LCM

\sin(60 + 45) = \frac{\sqrt 6 + \sqrt 2}{4}

Rewrite as:

\sin(60 + 45) = \frac{\sqrt 2 + \sqrt 6}{4}

Hence:

\sin(105) = \frac{\sqrt 2 + \sqrt 6}{4}

3 0
3 years ago
*PLEASE ANSWER, MAKE SURE YOU ANSWER CORRECTLY* What dimensions would you need to measure the volume of the following prism?
Digiron [165]

Answer:

base of the triangle, height of the triangle, height of the prism.

Step-by-step explanation:

The formula for calculating the volume of the right triangle prism above is given as base area * height of prism.

The base is a right triangle. Area of the right triangular base = ½*base*height of the triangle.

Therefore, the dimensions needed to find the volume of the prism are: "base of the triangle, height of the triangle, and height of the prism.

3 0
4 years ago
18. On Monday, Mr Tan earned a total of $1260 from the sale of some toys. On the next day, he earned a total of $1736 from the s
GalinKa [24]

Answer:

Monday 45

Tuesday 62

Step-by-step explanation:

It's asking you to find the common factor. 28 goes into both of these numbers. So do 1260÷28 and 1736÷28

6 0
3 years ago
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